mirror of
https://github.com/hathach/tinyusb.git
synced 2025-01-31 05:52:55 +08:00
sparkfun_samd21_mini_usb board support
This commit is contained in:
Deadman
parent
a0e5626bc5
commit
0a2444e100
@ -0,0 +1,9 @@
|
||||
set(JLINK_DEVICE ATSAMD21G18)
|
||||
set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/${BOARD}.ld)
|
||||
|
||||
function(update_board TARGET)
|
||||
target_compile_definitions(${TARGET} PUBLIC
|
||||
__SAMD21G18A__
|
||||
CFG_EXAMPLE_VIDEO_READONLY
|
||||
)
|
||||
endfunction()
|
||||
51
hw/bsp/samd21/boards/sparkfun_samd21_mini_usb/board.h
Normal file
51
hw/bsp/samd21/boards/sparkfun_samd21_mini_usb/board.h
Normal file
@ -0,0 +1,51 @@
|
||||
/*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2020, Ha Thach (tinyusb.org)
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*
|
||||
* This file is part of the TinyUSB stack.
|
||||
*/
|
||||
|
||||
#ifndef BOARD_H_
|
||||
#define BOARD_H_
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
// LED
|
||||
#define LED_PIN /*PA*/17 /*(D13)*/
|
||||
#define LED_STATE_ON 1
|
||||
|
||||
// Button
|
||||
#define BUTTON_PIN /*PA*/14 /*(D2)*/
|
||||
#define BUTTON_STATE_ACTIVE 0
|
||||
|
||||
// UART
|
||||
#define UART_SERCOM 0
|
||||
#define UART_RX_PIN /*PA*/11 /*(D0)*/
|
||||
#define UART_TX_PIN /*PA*/10 /*(D1)*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* BOARD_H_ */
|
||||
9
hw/bsp/samd21/boards/sparkfun_samd21_mini_usb/board.mk
Normal file
9
hw/bsp/samd21/boards/sparkfun_samd21_mini_usb/board.mk
Normal file
@ -0,0 +1,9 @@
|
||||
CFLAGS += -D__SAMD21G18A__ -DCFG_EXAMPLE_VIDEO_READONLY
|
||||
|
||||
# All source paths should be relative to the top level.
|
||||
LD_FILE = $(BOARD_PATH)/$(BOARD).ld
|
||||
|
||||
# For flash-jlink target
|
||||
JLINK_DEVICE = ATSAMD21G18
|
||||
|
||||
flash: flash-bossac
|
||||
@ -0,0 +1,146 @@
|
||||
/**
|
||||
* \file
|
||||
*
|
||||
* \brief Linker script for running in internal FLASH on the SAMD21G18A
|
||||
*
|
||||
* Copyright (c) 2017 Microchip Technology Inc.
|
||||
*
|
||||
* \asf_license_start
|
||||
*
|
||||
* \page License
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the Licence at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* \asf_license_stop
|
||||
*
|
||||
*/
|
||||
|
||||
|
||||
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
|
||||
OUTPUT_ARCH(arm)
|
||||
SEARCH_DIR(.)
|
||||
|
||||
/* Memory Spaces Definitions */
|
||||
MEMORY
|
||||
{
|
||||
rom (rx) : ORIGIN = 0x00000000 + 8K, LENGTH = 0x00040000 - 8K
|
||||
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00008000-0x0004 /* 4 bytes used by bootloader to keep data between resets */
|
||||
}
|
||||
|
||||
/* The stack size used by the application. NOTE: you need to adjust according to your application. */
|
||||
STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
|
||||
|
||||
ENTRY(Reset_Handler)
|
||||
|
||||
/* Section Definitions */
|
||||
SECTIONS
|
||||
{
|
||||
.text :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
_sfixed = .;
|
||||
KEEP(*(.vectors .vectors.*))
|
||||
*(.text .text.* .gnu.linkonce.t.*)
|
||||
*(.glue_7t) *(.glue_7)
|
||||
*(.rodata .rodata* .gnu.linkonce.r.*)
|
||||
*(.ARM.extab* .gnu.linkonce.armextab.*)
|
||||
|
||||
/* Support C constructors, and C destructors in both user code
|
||||
and the C library. This also provides support for C++ code. */
|
||||
. = ALIGN(4);
|
||||
KEEP(*(.init))
|
||||
. = ALIGN(4);
|
||||
__preinit_array_start = .;
|
||||
KEEP (*(.preinit_array))
|
||||
__preinit_array_end = .;
|
||||
|
||||
. = ALIGN(4);
|
||||
__init_array_start = .;
|
||||
KEEP (*(SORT(.init_array.*)))
|
||||
KEEP (*(.init_array))
|
||||
__init_array_end = .;
|
||||
|
||||
. = ALIGN(4);
|
||||
KEEP (*crtbegin.o(.ctors))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
|
||||
KEEP (*(SORT(.ctors.*)))
|
||||
KEEP (*crtend.o(.ctors))
|
||||
|
||||
. = ALIGN(4);
|
||||
KEEP(*(.fini))
|
||||
|
||||
. = ALIGN(4);
|
||||
__fini_array_start = .;
|
||||
KEEP (*(.fini_array))
|
||||
KEEP (*(SORT(.fini_array.*)))
|
||||
__fini_array_end = .;
|
||||
|
||||
KEEP (*crtbegin.o(.dtors))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
|
||||
KEEP (*(SORT(.dtors.*)))
|
||||
KEEP (*crtend.o(.dtors))
|
||||
|
||||
. = ALIGN(4);
|
||||
_efixed = .; /* End of text section */
|
||||
} > rom
|
||||
|
||||
/* .ARM.exidx is sorted, so has to go in its own output section. */
|
||||
PROVIDE_HIDDEN (__exidx_start = .);
|
||||
.ARM.exidx :
|
||||
{
|
||||
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
|
||||
} > rom
|
||||
PROVIDE_HIDDEN (__exidx_end = .);
|
||||
|
||||
. = ALIGN(4);
|
||||
_etext = .;
|
||||
|
||||
.relocate : AT (_etext)
|
||||
{
|
||||
. = ALIGN(4);
|
||||
_srelocate = .;
|
||||
*(.ramfunc .ramfunc.*);
|
||||
*(.data .data.*);
|
||||
. = ALIGN(4);
|
||||
_erelocate = .;
|
||||
} > ram
|
||||
|
||||
/* .bss section which is used for uninitialized data */
|
||||
.bss (NOLOAD) :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
_sbss = . ;
|
||||
_szero = .;
|
||||
*(.bss .bss.*)
|
||||
*(COMMON)
|
||||
. = ALIGN(4);
|
||||
_ebss = . ;
|
||||
_ezero = .;
|
||||
end = .;
|
||||
} > ram
|
||||
|
||||
/* stack section */
|
||||
.stack (NOLOAD):
|
||||
{
|
||||
. = ALIGN(8);
|
||||
_sstack = .;
|
||||
. = . + STACK_SIZE;
|
||||
. = ALIGN(8);
|
||||
_estack = .;
|
||||
} > ram
|
||||
|
||||
. = ALIGN(4);
|
||||
_end = . ;
|
||||
}
|
||||
@ -31,3 +31,5 @@
|
||||
|
||||
// UART
|
||||
#define UART_SERCOM 0
|
||||
#define UART_RX_PIN 7
|
||||
#define UART_TX_PIN 6
|
||||
|
||||
@ -172,8 +172,21 @@ uint32_t board_button_read(void) {
|
||||
static void uart_init(void)
|
||||
{
|
||||
#if UART_SERCOM == 0
|
||||
gpio_set_pin_function(PIN_PA06, PINMUX_PA06D_SERCOM0_PAD2);
|
||||
gpio_set_pin_function(PIN_PA07, PINMUX_PA07D_SERCOM0_PAD3);
|
||||
#if UART_TX_PIN == 6
|
||||
gpio_set_pin_function(PIN_PA06, PINMUX_PA06D_SERCOM0_PAD2);
|
||||
#elif UART_TX_PIN == 10
|
||||
gpio_set_pin_function(PIN_PA10, PINMUX_PA10C_SERCOM0_PAD2);
|
||||
#else
|
||||
#error "UART_TX_PIN not supported"
|
||||
#endif
|
||||
|
||||
#if UART_RX_PIN == 7
|
||||
gpio_set_pin_function(PIN_PA07, PINMUX_PA07D_SERCOM0_PAD3);
|
||||
#elif UART_RX_PIN == 11
|
||||
gpio_set_pin_function(PIN_PA11, PINMUX_PA11C_SERCOM0_PAD3);
|
||||
#else
|
||||
#error "UART_RX_PIN not supported"
|
||||
#endif
|
||||
|
||||
// setup clock (48MHz)
|
||||
_pm_enable_bus_clock(PM_BUS_APBC, SERCOM0);
|
||||
@ -194,6 +207,7 @@ static void uart_init(void)
|
||||
SERCOM_USART_CTRLB_TXEN | /* tx enabled */
|
||||
SERCOM_USART_CTRLB_RXEN; /* rx enabled */
|
||||
|
||||
/* 115200 */
|
||||
SERCOM0->USART.BAUD.reg = SERCOM_USART_BAUD_FRAC_FP(0) | SERCOM_USART_BAUD_FRAC_BAUD(26);
|
||||
|
||||
SERCOM0->USART.CTRLA.bit.ENABLE = 1; /* activate SERCOM */
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user